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Diffstat (limited to 'runit/sv.c')
-rw-r--r--runit/sv.c128
1 files changed, 62 insertions, 66 deletions
diff --git a/runit/sv.c b/runit/sv.c
index e9bfc75..c87f565 100644
--- a/runit/sv.c
+++ b/runit/sv.c
@@ -161,10 +161,10 @@ Exit Codes
static const char *acts;
static char **service;
static unsigned rc;
-static struct taia tstart, tnow;
-static char svstatus[20];
+/* "Bernstein" time format: unix + 0x400000000000000aULL */
+static uint64_t tstart, tnow;
+svstatus_t svstatus;
-#define usage() bb_show_usage()
static void fatal_cannot(const char *m1) ATTRIBUTE_NORETURN;
static void fatal_cannot(const char *m1)
@@ -195,15 +195,11 @@ static void failx(const char *m1)
errno = 0;
fail(m1);
}
-static void warn_cannot(const char *m1)
+static void warn(const char *m1)
{
++rc;
- out("warning: cannot ", m1);
-}
-static void warnx_cannot(const char *m1)
-{
- errno = 0;
- warn_cannot(m1);
+ /* "warning: <service>: <m1>\n" */
+ out("warning: ", m1);
}
static void ok(const char *m1)
{
@@ -222,32 +218,38 @@ static int svstatus_get(void)
: failx("runsv not running");
return 0;
}
- warn_cannot("open supervise/ok");
+ warn("cannot open supervise/ok");
return -1;
}
close(fd);
fd = open_read("supervise/status");
if (fd == -1) {
- warn_cannot("open supervise/status");
+ warn("cannot open supervise/status");
return -1;
}
- r = read(fd, svstatus, 20);
+ r = read(fd, &svstatus, 20);
close(fd);
switch (r) {
- case 20: break;
- case -1: warn_cannot("read supervise/status"); return -1;
- default: warnx_cannot("read supervise/status: bad format"); return -1;
+ case 20:
+ break;
+ case -1:
+ warn("cannot read supervise/status");
+ return -1;
+ default:
+ errno = 0;
+ warn("cannot read supervise/status: bad format");
+ return -1;
}
return 1;
}
static unsigned svstatus_print(const char *m)
{
- long diff;
+ int diff;
int pid;
int normallyup = 0;
struct stat s;
- struct tai tstatus;
+ uint64_t timestamp;
if (stat("down", &s) == -1) {
if (errno != ENOENT) {
@@ -256,13 +258,10 @@ static unsigned svstatus_print(const char *m)
}
normallyup = 1;
}
- pid = (unsigned char) svstatus[15];
- pid <<= 8; pid += (unsigned char)svstatus[14];
- pid <<= 8; pid += (unsigned char)svstatus[13];
- pid <<= 8; pid += (unsigned char)svstatus[12];
- tai_unpack(svstatus, &tstatus);
+ pid = SWAP_LE32(svstatus.pid_le32);
+ timestamp = SWAP_BE64(svstatus.time_be64);
if (pid) {
- switch (svstatus[19]) {
+ switch (svstatus.run_or_finish) {
case 1: printf("run: "); break;
case 2: printf("finish: "); break;
}
@@ -270,16 +269,16 @@ static unsigned svstatus_print(const char *m)
} else {
printf("down: %s: ", m);
}
- diff = tnow.sec.x - tstatus.x;
- printf("%lds", (diff < 0 ? 0L : diff));
+ diff = tnow - timestamp;
+ printf("%us", (diff < 0 ? 0 : diff));
if (pid) {
if (!normallyup) printf(", normally down");
- if (svstatus[16]) printf(", paused");
- if (svstatus[17] == 'd') printf(", want down");
- if (svstatus[18]) printf(", got TERM");
+ if (svstatus.paused) printf(", paused");
+ if (svstatus.want == 'd') printf(", want down");
+ if (svstatus.got_term) printf(", got TERM");
} else {
if (normallyup) printf(", normally up");
- if (svstatus[17] == 'u') printf(", want up");
+ if (svstatus.want == 'u') printf(", want up");
}
return pid ? 1 : 2;
}
@@ -336,7 +335,7 @@ static int check(const char *a)
{
int r;
unsigned pid;
- struct tai tstatus;
+ uint64_t timestamp;
r = svstatus_get();
if (r == -1)
@@ -346,15 +345,12 @@ static int check(const char *a)
return 1;
return -1;
}
- pid = (unsigned char)svstatus[15];
- pid <<= 8; pid += (unsigned char)svstatus[14];
- pid <<= 8; pid += (unsigned char)svstatus[13];
- pid <<= 8; pid += (unsigned char)svstatus[12];
+ pid = SWAP_LE32(svstatus.pid_le32);
switch (*a) {
case 'x':
return 0;
case 'u':
- if (!pid || svstatus[19] != 1) return 0;
+ if (!pid || svstatus.run_or_finish != 1) return 0;
if (!checkscript()) return 0;
break;
case 'd':
@@ -364,14 +360,14 @@ static int check(const char *a)
if (pid && !checkscript()) return 0;
break;
case 't':
- if (!pid && svstatus[17] == 'd') break;
- tai_unpack(svstatus, &tstatus);
- if ((tstart.sec.x > tstatus.x) || !pid || svstatus[18] || !checkscript())
+ if (!pid && svstatus.want == 'd') break;
+ timestamp = SWAP_BE64(svstatus.time_be64);
+ if ((tstart > timestamp) || !pid || svstatus.got_term || !checkscript())
return 0;
break;
case 'o':
- tai_unpack(svstatus, &tstatus);
- if ((!pid && tstart.sec.x > tstatus.x) || (pid && svstatus[17] != 'd'))
+ timestamp = SWAP_BE64(svstatus.time_be64);
+ if ((!pid && tstart > timestamp) || (pid && svstatus.want != 'd'))
return 0;
}
printf(OK);
@@ -384,12 +380,14 @@ static int control(const char *a)
{
int fd, r;
- if (svstatus_get() <= 0) return -1;
- if (svstatus[17] == *a) return 0;
+ if (svstatus_get() <= 0)
+ return -1;
+ if (svstatus.want == *a)
+ return 0;
fd = open_write("supervise/control");
if (fd == -1) {
if (errno != ENODEV)
- warn_cannot("open supervise/control");
+ warn("cannot open supervise/control");
else
*a == 'x' ? ok("runsv not running") : failx("runsv not running");
return -1;
@@ -397,7 +395,7 @@ static int control(const char *a)
r = write(fd, a, strlen(a));
close(fd);
if (r != strlen(a)) {
- warn_cannot("write to supervise/control");
+ warn("cannot write to supervise/control");
return -1;
}
return 1;
@@ -413,7 +411,7 @@ int sv_main(int argc, char **argv)
const char *varservice = "/var/service/";
unsigned services;
char **servicex;
- unsigned long waitsec = 7;
+ unsigned waitsec = 7;
smallint kll = 0;
smallint verbose = 0;
int (*act)(const char*);
@@ -425,19 +423,19 @@ int sv_main(int argc, char **argv)
x = getenv("SVDIR");
if (x) varservice = x;
x = getenv("SVWAIT");
- if (x) waitsec = xatoul(x);
+ if (x) waitsec = xatou(x);
opt = getopt32(argv, "w:v", &x);
- if (opt & 1) waitsec = xatoul(x); // -w
+ if (opt & 1) waitsec = xatou(x); // -w
if (opt & 2) verbose = 1; // -v
argc -= optind;
argv += optind;
action = *argv++;
- if (!action || !*argv) usage();
+ if (!action || !*argv) bb_show_usage();
service = argv;
services = argc - 1;
- taia_now(&tnow);
+ tnow = time(0) + 0x400000000000000aULL;
tstart = tnow;
curdir = open_read(".");
if (curdir == -1)
@@ -467,7 +465,7 @@ int sv_main(int argc, char **argv)
kll = 1;
break;
case 'c':
- if (!str_diff(action, "check")) {
+ if (str_equal(action, "check")) {
act = NULL;
acts = "c";
break;
@@ -479,15 +477,15 @@ int sv_main(int argc, char **argv)
if (!verbose) cbk = NULL;
break;
case 's':
- if (!str_diff(action, "shutdown")) {
+ if (str_equal(action, "shutdown")) {
acts = "x";
break;
}
- if (!str_diff(action, "start")) {
+ if (str_equal(action, "start")) {
acts = "u";
break;
}
- if (!str_diff(action, "stop")) {
+ if (str_equal(action, "stop")) {
acts = "d";
break;
}
@@ -496,34 +494,34 @@ int sv_main(int argc, char **argv)
cbk = NULL;
break;
case 'r':
- if (!str_diff(action, "restart")) {
+ if (str_equal(action, "restart")) {
acts = "tcu";
break;
}
- usage();
+ bb_show_usage();
case 'f':
- if (!str_diff(action, "force-reload")) {
+ if (str_equal(action, "force-reload")) {
acts = "tc";
kll = 1;
break;
}
- if (!str_diff(action, "force-restart")) {
+ if (str_equal(action, "force-restart")) {
acts = "tcu";
kll = 1;
break;
}
- if (!str_diff(action, "force-shutdown")) {
+ if (str_equal(action, "force-shutdown")) {
acts = "x";
kll = 1;
break;
}
- if (!str_diff(action, "force-stop")) {
+ if (str_equal(action, "force-stop")) {
acts = "d";
kll = 1;
break;
}
default:
- usage();
+ bb_show_usage();
}
servicex = service;
@@ -547,11 +545,9 @@ int sv_main(int argc, char **argv)
}
if (cbk) while (1) {
- //struct taia tdiff;
- long diff;
+ int diff;
- //taia_sub(&tdiff, &tnow, &tstart);
- diff = tnow.sec.x - tstart.sec.x;
+ diff = tnow - tstart;
service = servicex;
want_exit = 1;
for (i = 0; i < services; ++i, ++service) {
@@ -586,7 +582,7 @@ int sv_main(int argc, char **argv)
}
if (want_exit) break;
usleep(420000);
- taia_now(&tnow);
+ tnow = time(0) + 0x400000000000000aULL;
}
return rc > 99 ? 99 : rc;
}
generated by cgit v1.1 at 2024-12-26 16:04:07 +0000